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Chapter 8

Question:

Zinc, an essential trace element for most organisms, is present in the active site of theenzyme carboxypeptidase. The zinc most likely functions as a(n)

A) competitive inhibitor of the enzyme.

B) noncompetitive inhibitor of the enzyme.

C) allosteric activator of the enzyme.

D) cofactor necessary for enzyme activity.

E) coenzyme derived from a vitamin.



Answer:

D) cofactor necessary for enzyme activity.



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Last update by mayur on 03/27/2014
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Chapter 8
Chapter 8
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Question: Zinc, an essential trace element for most organisms, is present in the active site of theenzyme carboxypeptidase. The zinc most likely functions as a(n) A) competitive inhibitor of the enzyme. B) noncompetitive inhibitor of the enzyme. C) allosteric activator of the enzyme. D) cofactor necessary for enzyme activity. E) coenzyme derived from a vitamin.
Answer: D) cofactor necessary for enzyme activity.